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find Author "YAO Qun" 2 results
  • CLINICAL APPLICATION OF ISLAND FLAP PEDICLED WITH DORSAL CUTANEOUS BRANCHES OF THUMB RADIAL DIGITAL ARTERY

    Objective To investigate the effectiveness of the island flap pedicled with the dorsal cutaneous branches of thumb radial digital artery from the same finger for repairing pulp defect. Methods Between June 2009 and March 2010, 10 patients (10 fingers) with pulp defect of thumb were treated. There were 6 males and 4 females, aged 13-68 years with an average of 38 years. Defect was caused by machine crush in 4 cases, by saw machine in 3 cases, by chronic infection in 2 cases, and by burn in 1 case. The disease duration was 3 hours to 4 months. In 4 cases of distal pulp defect (1.0 cm × 0.8 cm to 2.0 cm × 1.4 cm) with exposure of bone or tendon, defect was repaired with island flap pedicled with the interphalangeal joint cutaneous branches of thumb radial digital artery (1.0 cm × 0.8 cm to 2.2 cm× 1.5 cm). In 6 cases of proximal pulp defect (1.0 cm × 0.8 cm to 2.5 cm × 2.0 cm) with exposure of bone or tendon, defect was repaired with island flap pedicled with the metacarpophalangeal joint cutaneous branches of thumb radial digital artery (1.0 cm × 0.8 cm to 2.6 cm × 2.2cm). The donor sites were repaired with skin grafts. Results All flaps and skin grafts survived, and wounds healed by first intention. Ten cases were followed up 6-12months (mean, 8 months). The colour, texture, and contour of the flaps were good. The two-point discrimination was 7-10mm on the island flap at last follow-up. According to total active motion (TAM) standard, the thumb function was assessed as excellent in 8 cases, good in 1 case, and fair in 1 case, and the excellent and good rate was 90%. Conclusion The main digital artery and nerve of thumb will not be sacrified when the island flap pedicled with the dorsal cutaneous branches of thumb radial digital artery is used. The operative procedure is simple, so it is a good method for repairing pulp defect of thumb.

    Release date:2016-08-31 05:45 Export PDF Favorites Scan
  • APPLICATION OF V-Y ADVANCEMENT FLAP PEDICLED WITH DORSAL CUTANEOUS BRANCH OF DIGITAL ARTERY FOR SKIN DEFECT AT THE SAME DORSAL FINGER

    Objective To investigate the therapeutic effect of V-Y advancement flap pedicled with dorsal cutaneous branch of digital artery for skin defect at the same dorsal finger. Methods Between January 2008 and February 2010, 15 cases of skin defect at the same dorsal finger were treated. There were 9 males and 6 females, aged 15-72 years (mean, 43 years). Defect was caused by saw machine in 6 cases, machines crush in 7 cases, and cutting nodule in 2 cases. The locationswere distal dorsal finger in 2 cases, middle dorsal finger in 6 cases, and proximal dorsal finger in 7 cases. All cases compl icated by exposure of tendon and bone. The size of defect ranged from 0.8 cm × 0.5 cm to 1.4 cm × 1.0 cm. The interval between injury and operation was 3-8 hours. All fingers were treated by V-Y advancement flap from the dorsal cutaneous branch of digital artery, which size was 1.2 cm × 0.8 cm-2.5 cm × 1.0 cm, and the donor site was directly sutured. Fracture reductionand Kirschner wire for internal fixation were performed in the patients with fracture; extensor tendon was repaired with 4-0 thread in the patients with tendon injury. Results All flaps survived completely. The incisions of donor and recipient sites healed by first intention. Ten cases were followed up 6 months to 2 years after operation. The flaps had good texture, color, and appearance; 2-point discrimination of the V-Y flap was 10-12 mm. X-ray examination showed that all finger fractures healedsuccessfully in 5 cases, with an average bone union time of 6 weeks (range, 5-8 weeks). According to the criteria for function assessment by total active motion, the results were excellent in 8 cases, good in 1, and fair in 1 with an excellent and good rate of 90%. Conclusion It is an ideal method to treat skin defect at the same dorsal finger with V-Y advancement flap pedicled with dorsal cutaneous branch of digital artery.

    Release date:2016-08-31 05:41 Export PDF Favorites Scan
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